Five-membered nitrogen heterocycles play an important role in biological systems. Among these, the 1,2,3-triazoles and their derivatives are of considerable interest as they possess a wide range of biological properties, such as anti-HIV, 1 anti-allergic, 2 anti-fungal, 3 anti-viral 4 and anti-microbial activity. 5 1,2,3-Triazoles are important in pharmacological applications due to its stability toward light, moisture, oxygen, and metabolism in the body. 6 In ...